英语词汇“A pulley or a system of pulleys set in a casing”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	A pulley or a system of pulleys set in a casing
释义	A pulley or a system of pulleys set in a casing. 滑轮，滑轮组安装在机械外壳中的滑轮或滑轮组
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